Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1979-06-15
1981-06-16
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
106 35, 525475, 525479, 528 15, 528 31, C08L 8306
Patent
active
042739020
ABSTRACT:
Disclosed is a room-temperature setting dental silicone composition comprising an organovinylpolysiloxane, an organohydrogen polysiloxane, a catalyst for promoting the addition reaction therebetween, hydrophobic fillers and finely divided palladium and/or an alloy thereof. The palladium and/or palladium alloy should be used in amounts of 0.5 ppm or more relative to the total silicone polymer components. The organohydrogen polysiloxane and catalyst are separately stored. In use, the remaining components are mixed with said two components in any order.
REFERENCES:
patent: 2632013 (1953-03-01), Wagner et al.
patent: 4035453 (1977-07-01), Hittmair et al.
Iwata Eiji
Tomioka Kentaro
Watanabe Kazuhiro
Briggs Sr. Wilbert J.
G-C Dental Industrial Corp.
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